<template>
  <div style="display: flex">
    <div class="treeBox">
      <el-tree
        :data="Treedata"
        accordion
        :props="defaultProps"
        highlight-current
        @node-click="handleNodeClick"
      >
      </el-tree>
    </div>
    <div class="app-container" style="width: 85%">
      <el-form
        :model="queryParams"
        ref="queryForm"
        :inline="true"
        v-show="showSearch"
        label-width="88px"
      >
        <el-form-item label="学院对应ID" prop="collegeId">
          <el-input
            v-model="queryParams.collegeId"
            placeholder="请输入学院对应ID"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="专业对应ID" prop="majorId">
          <el-input
            v-model="queryParams.majorId"
            placeholder="请输入专业对应ID"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>

        <el-form-item label="课程对应ID" prop="courseId">
          <el-input
            v-model="queryParams.courseId"
            placeholder="请输入课程对应ID"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item>
          <el-button
            type="primary"
            icon="el-icon-search"
            size="mini"
            @click="handleQuery"
            >搜索</el-button
          >
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
            >重置</el-button
          >
        </el-form-item>
      </el-form>

      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            >新增</el-button
          >
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            >修改</el-button
          >
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            >删除</el-button
          >
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="warning"
            plain
            icon="el-icon-download"
            size="mini"
            :loading="exportLoading"
            @click="handleExport"
            >导出</el-button
          >
        </el-col>
        <right-toolbar
          :showSearch.sync="showSearch"
          @queryTable="getList"
        ></right-toolbar>
      </el-row>

      <el-table
        v-loading="loading"
        :data="courseList"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" align="center" />
        <!-- <el-table-column label="课程对应ID" align="center" prop="id" />
      <el-table-column label="专业对应ID" align="center" prop="majorId" /> -->
        <el-table-column label="学院名称" align="center" prop="collegeName" />
        <el-table-column label="专业名称" align="center" prop="majorName" />
        <el-table-column label="课程名称" align="center" prop="courseName" />
        <el-table-column
          label="操作"
          align="center"
          class-name="small-padding fixed-width"
        >
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              >修改</el-button
            >
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />

      <!-- 添加或修改【请填写功能名称】对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="30%" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="100px">
          <!-- <el-form-item label="学院" prop="startingUnit">
                  <el-select
                    v-model="queryParams.startingUnit"
                    placeholder="请选择学院"
                    clearable
                    filterable 
                    size="small"
                    style="width: 100%;"
                  >
                    <el-option
                      v-for="item in coledoptions"
                      :key="item.index"
                      :label="item.name"
                      :value="item.id"
                    />
                  </el-select>
             </el-form-item> -->
          <el-form-item label="专业" prop="majorId">
            <el-select
              v-model="form.majorId"
              placeholder="请选择专业"
              clearable
              filterable
              size="small"
              style="width: 100%"
            >
              <el-option
                v-for="item in Majoptions"
                :key="item.index"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="课程名字" prop="courseId">
            <el-select
              v-model="form.courseId"
              placeholder="请输入课程"
              filterable
              default-first-option
              size="small"
              style="width: 100%"
            >
              <el-option
                v-for="item in addcouseList"
                :key="item.index"
                :label="item.courseName"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
        </el-form>

        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import {
  listpreCoursetree,
  listpreCourse,
  listnomalCourse,
} from '@/api/system/course'
// import { listCourse, getCourse, delCourse, addCourse, updateCourse, exportCourse } from "@/api/org/course";
import {
  getCourse,
  delCourse,
  addCourse,
  updateCourse,
  exportCourse,
} from '@/api/org/majorCourse'
import mytree from '../mytree.vue'
import { listMajor } from '@/api/org/major'
import { listCollege } from '@/api/org/college'
export default {
  name: 'Course',
  components: { mytree },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 【请填写功能名称】表格数据
      courseList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        majorId: null,
        courseId: null,
        collegeId: null,
      },
      // 新增时的课程选择
      addcouseList: [],
      //学院
      coledoptions: [],
      // 专业
      Majoptions: [],
      // 树
      Treedata: [],
      defaultProps: {
        children: 'list',
        label: 'name',
      },
      // 表单参数
      form: {
        // startingUnit:null,
        majorId: null,
        courseId: null,
      },
      // 表单校验
      rules: {
        courseId: [
          { required: true, message: '课程对应ID不能为空', trigger: 'blur' },
        ],
      },
    }
  },
  created() {
    this.getList()
    this.getTree()
    this.getcollList()
    this.getlistMajorList()
    this.majorchange()
  },
  methods: {
    /** 专业改变查询课程 */
    majorchange() {
      listnomalCourse().then((response) => {
        this.addcouseList = response.rows
        console.log(response, '查询课程')
      })
    },

    /** 查询学院管理列表 */
    getcollList() {
      this.loading = true
      listCollege().then((response) => {
        this.coledoptions = response.rows

        this.loading = false
      })
    },
    /** 查询专业列表 */
    getlistMajorList() {
      this.loading = true
      listMajor().then((response) => {
        this.Majoptions = response.rows
        this.loading = false
      })
    },

    /** 查询专业课程列表 */
    getList() {
      this.loading = true
      listpreCourse(this.queryParams).then((response) => {
        this.courseList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 获取树
    getTree() {
      this.loading = true
      listpreCoursetree('').then((response) => {
        this.Treedata = response
        for (let i = 0; i < this.Treedata.length; i++) {
          if (this.Treedata[i].list != null) {
            for (let j = 0; j < this.Treedata[i].list.length; j++) {
              this.Treedata[i].list[j].list = []
            }
          }
        }
        console.log(this.Treedata, '树')
        this.loading = false
      })
    },
    // 树形目录点击后获取对应的学生信息
    handleNodeClick(data) {
      console.log('treeData: ', data)
      const flag = data.typeFlag
      switch (flag) {
        case 'college':
          this.queryParams.collegeId = data.id
          this.queryParams.majorId = null
          break
        case 'major':
          this.queryParams.majorId = data.id
          this.queryParams.collegeId = data.collegeId
          break
        // case 'classes':
        //   this.queryParams.classesId=data.id;
        //   this.queryParams.majorId=null;
        //   this.queryParams.collegeId=null;
        //   break;
        default:
          break
      }
      /** 查询课程信息列表 */
      this.getList()
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        majorId: null,
        courseId: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加专业课程管理'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getCourse(id).then((response) => {
        this.form = response.data
        this.open = true
        this.title = '修改专业课程管理'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateCourse(this.form).then((response) => {
              this.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addCourse(this.form).then((response) => {
              this.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$confirm(
        '是否确认删除【请填写功能名称】编号为"' + ids + '"的数据项?',
        '警告',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      )
        .then(function () {
          return delCourse(ids)
        })
        .then(() => {
          this.getList()
          this.msgSuccess('删除成功')
        })
        .catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams
      this.$confirm('是否确认导出所有【请填写功能名称】数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(() => {
          this.exportLoading = true
          return exportCourse(queryParams)
        })
        .then((response) => {
          this.download(response.msg)
          this.exportLoading = false
        })
        .catch(() => {})
    },
  },
}
</script>

<style scoped>

</style>